Brand: HB-DL
Price: USD 5 / KG
Min. Order: 1KG KG
HydroquinoneCAS 123-31-9;hydroquinone--1,4-benzenediolAppearance: White acicular crystal or crystal powder
White acicular crystal
Content (%) ≥99-100.5
99.9
Melting point (℃) 171-175 173
Residue after ignition (%) ≤0.1
0.02
Fe(%) ≤0.002
0.001
Pb(%) ≤0.002 0.001